I don't recall if this was ever discussed, but, how about if some of the more warlike civs had the ability to hire out their units as mercenaries, providing some income to the nation. This would also serve as a means of increasing morale for said units.
Also, privateers. These ships, or hey, maybe zepplins
would be commisioned to approach an enemie's territory and raid their shipping, and every turn you would get a small percentage of the haul. These units wouldn't be under your direct control, but you could give them general orders, like 'Raid Spain's shipping, avoid France's shipping, etc...
What do you think?
Also, privateers. These ships, or hey, maybe zepplins
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What do you think?
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